make use of shortcut masterfiles, see https://github.com/cfengine/masterfiles/pull/312
It first tries to use the shortcut and if this fails fallback to old method for backwards compatibility
This addresses the issue in redmine #3697
inspired by Nick Anderson
generated the bootstrap.inc with test2cstring.pl as requested by @kacfengine
Merge pull request #1933 from basvandervlies/use_masterfiles_shortcut

make use of shortcut masterfiles